In-situ Measurement of UO_2^<2+> Concentration in Molten NaCl-2CsCl by Differential Pulse Voltammetry

スポンサーリンク

概要

• 論文の詳細を見る

• In order to assess the applicability of the Differential Pulse Voltammetry technique to the in-situ measurement of UO22+ concentration in the oxide electro-winning process, DPV measurements for UO2Cl2 in molten NaCl-2CsCl were studied. DPV measurement of UO22+ in NaCl-2CsCl at 923 K, with a set of optimized parameters (potential sweep rate −0.1 V/s, pulse cycle 0.1 s, pulse width 10 ms and pulse potential height 50 mV), showed a clear current peak at −0.9 V vs. Cl2/Cl−. This was attributed to the reduction of UO22+ to UO2+. The relation between the current peak height and the analytical concentration of the UO22+ showed good proportionality in the concentration region up to 0.06 mol·l−1, and the applicability of UO22+ concentration measurement by DPV was confirmed up to 0.4 mol·l−1. In order to assess the interference by the coexisting fission product elements to the measurement of UO22+ concentration, DPV measurements of UO22+ concentration in molten NaCl-2CsCl containing PdCl2, NdCl3, SmCl3 and CeCl3 were also performed. Even before removing Pd, the current peak at −0.9 V vs. Cl2/Cl− by the reduction of UO22+ to UO2+ was found to be distinguishable from the reduction currents of Pd2+ to Pd at −0.7 V vs. Cl2/Cl−. As a result, the application of DPV measurement technique to the in-situ monitoring of UO22+ concentration in the oxide electro-winning method requires the improvement of the DPV measuring condition or the electrode structure on higher UO22+ concentration condition.

• 社団法人 日本原子力学会の論文
• 2006-12-25

著者

• Shirai Osamu

  Div. Of Applied Life Sciences Graduate School Of Agriculture Kyoto Univ. Sakyo Kyoto 606-8502 Jpn

• Shirai O

  Institute For Chemical Research Kyoto University

• YAMANA Hajimu

  Research Reactor Institute, Kyoto University

• Shirai Osamu

  Division Of Nuclear Engineering Science Research Reactor Institute Kyoto University

• Shirai Osamu

  Research Reactor Institute Kyoto University

• Fujii Toshiyuki

  Research Reactor Institute Kyoto University

• UEHARA Akihiro

  Research Reactor Institute, Kyoto University

• Nagai Takayuki

  Japan Atomic Energy Agency

• Yamana H

  Research Reactor Institute Kyoto University

• Yamana Hajimu

  Research Reactor Institute Kyoto University

• Uehara Akihiro

  Research Reactor Institute Kyoto University

• Shirai O

  Research Reactor Institute Kyoto University

• Nagai Takayuki

  Oriental Medicine Res. Center Of The Kitasato Inst. Tokyo Jpn

• Yamana Hajimu

  Res. Reactor Inst. Kyoto Univ.

• Shirai Osamu

  Division Of Applied Life Science Graduate School Of Agriculture Kyoto University

• Fujii Toshiyuki

  Research Reactor Institute, Kyoto University

• FUJII Toshiyuki

  Research Laboratories, Fujisawa Pharmaceutical Co., Ltd.

• NAKASHIMA Takuji

  Kitasato Research Organization for Infection Control Sciences, Kitasato University

関連論文

• Generation of reactive oxygen species from conventional laboratory media(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)
• Simultaneous Measurement of Prompt Neutrons and Fission Fragments for ^Pu(n_, f)
• A Prodigiosin Analogue Inactivates NADPH Oxidase in Macrophage Cells by Inhibiting Assembly of p47phox and Rac
• Ion Transport across a Bilayer Lipid Membrane in the Presence of Hydrophobic Ions
• Selectivity on Ion Transport across Bilayer Lipid Membranes in the Presence of Gramicidin A
• 1P353 Ion transport across a bilayer lipid membrane facilitated by gramicidin A : Effect of counter anions on the cation transport(13. Membrane transport,Poster Session,Abstract,Meeting Program of EABS & BSJ 2006)
• 1P354 Electrochemical elucidation on ion transport across a bilayer lipid membrane : The role of hydrophobic ions as carrier of the counter ion(13. Membrane transport,Poster Session,Abstract,Meeting Program of EABS & BSJ 2006)
• A New Anti-influenza Virus Antibiotic, 10-Norparvulenone from Microsphaeropsis sp. FO-5050
• A New Antimicrobial Antibiotic from Actinoplanes capillaceus sp. K95-5561^T
• New Members of the Macrosphelides from Microsphaeropsis sp. FO-5050 IV
• Thermal-Neutron Capture Cross Section and Resonance Integral of Americium-241
• Emission Probabilities of Gamma Rays from the Decay of 233Pa and 238Np, and the Thermal Neutron Capture Cross Section of 237Np
• New Glycosidases Inhibitors, Panosialins D and wD Produced by StreptOmyces sp.OH-5186
• Cross Section of Thermal-Neutron Capture Reaction by ^Tc
• Electrode Reaction of Pu^/Pu Couple in LiCl-KCl Eutectic Melts: Comparison of the Electrode Reaction at the Surface of Liquid Bi with That at a Solid Mo Electrode
• Recovery of Neptunium by Electrolysis of NpN in LiCl-KCl Eutectic Melts
• Ion Transport Across a Bilayer Lipid Membrane in the Presence of a Hydrophobic Ion or an Ionophore
• Thermodynamic Redox Properties Governing the Half-Reduction Characteristics of Histamine Dehydrogenase from Nocardioides simplex
• Measurement of Neutron Capture Cross Section Ratios of 244Cm Resonances Using NNRI
• Redox Equilibrium of U^/U^ in Molten NaCl-2CsCl by UV-Vis Spectrophotometry and Cyclic Voltammetry
• Study on Redox Equilibrium of UO_2^ /UO_2^+ in Molten NaCl-2CsCl by UV-Vis Spectrophotometry
• Binding Affinity of Basic Amino Acids to the Surface of a Neutral Phospholipid Monolayer
• Evaluation of the Associate Constant of a Phospholipid-Ca^ Complex Using a Phospholipid Monolayer Adsorbed at an Aqueous | 1,2-dichloroethane Interface
• Voltammetric Study on the Transport of Ions or Various Hydrophobicity Types through Bilayer Lipid Membranes Composed of Various Lipids
• Measurements of Neutron-induced Fission Cross Section of Protactinium-231 from 0. 1eV to 10keV with Lead Slowing-down Spectrometer and at 0. 0253eV with Thermal Neutron Facility
• Measurement of Neutron Capture Cross Section Ratios of ^Cm Resonances Using NNRI
• In Vitro and in Vivo Antitrypanosomal Activitiy of Two Microbial Metabolites, KS-505a and Alazopeptin
• Production of Pure ^Pu Tracer for the Assessment of Plutonium in the Environment
• In-situ Measurement of UO_2^ Concentration in Molten NaCl-2CsCl by Differential Pulse Voltammetry
• Enhancement of in Vivo Anti-influenza Virus Activity of 5,7,4'-Trihydroxy-8-methoxyflavone by Drug Delivery System Using Hydroxypropyl Cellulose
• Selective and Potent in Vitro Antitrypanosomal Activities of Ten Microbial Metabolites
• Selective and Potent In Vitro Antimalarial Activities Found in Four Microbial Metabolites
• Measurement of Effective Capture Cross Section of Americium-243 for Thermal Neutrons
• Measurement of Effective Capture Cross Section of ^Np for Thermal Neutrurons
• Measurement of Thermal Neutron Capture Cross Section and Resonance Integral of the ^Np(n, γ)^Np Reaction
• Measurement of Thermal Neutron Capture Cross Section and Resonance Integral of the ^Ho(n,γ)^Ho Reaction using a Two-Step Irradiation Technique
• Precise Measurement of Gamma-ray Emission Probabilities of ^Ru
• Simaomicin α: Effects on the Cell Cycle of Synchronized, Cultured Plasmodium falciparum
• ANTI-INFLUENZA VIRUS ACTIVITY OF PLANT FLAVONOIDS HAVING INHIBITORY ACTIVITY AGAINST INFLUENZA VIRUS SIALIDASE
• Measurement of the Thermal Neutron Capture Cross Section and the Resonance Integral of the ^Sr(n, ν)^Sr Reaction
• Production of the Isomeric State of ^Cs in the Thermal Neutron Capture Reaction ^Cs(η, γ)^Cs
• Temperature Dependence of Isotope Effects of Barium Using a Crown Ether, (II) Barium Isotope Effects in BaCl_2/DC18C6 Systems
• Strontium Isotope Effects in Ligand Exchange Reaction
• Temperature Dependence of Isotope Effects of Barium Using a Crown Ether
• Ultrastructure in crushed unmyelinated nerve fiber of streptozotocin-induced diabetic rats (NEREVOUS SYSTEM) (GENERAL SESSION BY POSTER PRESENTATION) (Proceedings of the 30th Annual Meeting)
• Some Dinophycean Red Tide Plankton Species Generate a Superoxide Scavenging Substance
• Extraction Behavior of Antimony in a TRUEX System
• Solubility Product of Hexavalent Uranium Hydrous Oxide
• Solubility product of plutonium hydrous oxide (Feature Articles "Japan-China Workshop on Nuclear Waste Management and Reprocessing")
• Reductive Extraction of Actinides and Lanthanides from Molten Chloride Salt into Liquid Zinc
• Stopped flow kinetic studies on reductive half-reaction of histamine dehydrogenase from Nocardioides simplex with histamine
• Thermodynamic Redox Properties Governing the Half-Reduction Characteristics of Histamine Dehydrogenase from Nocardioides simplex
• Isotope Effects of Hafnium in Solvent Extraction Using Crown Ethers
• CHEMICAL STRUCTURES AND MODE OF ACTIONS OF ANTICOMPLEMENTARY POLYSACCHARIDES FROM CHINESE HERBS
• Ion Transport across Planar Bilayer Lipid Membrane Driven by D-Fructose Dehydrogenase-catalyzed Electron Transport
• An Application of Actinide Elements for a Redox Flow Battery
• 生体反応に類似した電荷の水溶液/有機溶液界面,人工液膜移動反応
• Spoxazomicins A-C, novle antitrypanosomal alkaloids produced by an endophytic actinomycete, Streptosporangium oxazolinicum K07-0460^T
• Panowamycins A and B, new antitrypanosomal isochromans produced by Streptomyces sp. K07-0010
• Borrelidin, a potent antimalarial : stage-specific inhibition profile of synchronized cultures of Plasmodium falciparum
• A small-molecule inhibitor of the bacterial type III secretion system protects against in vivo infection with Citrobacter rodentium
• In vitro and in vivo antimalarial activity of puberulic acid and its new analogs, viticolins A-C, produced by Penicillium sp. FKI-4410
• In vitro and in vivo antitrypanosomal activities of three peptide antibiotics : leucinostatin A and B, alamethicin I and tsushimycin
• Influence of Inhalation Anesthetics on Ion Transport across a Planar Bilayer Lipid Membrane
• In vitro antitrypanosomal activity of five low-MW antibiotics
• In vitro and in vivo anti-Trypanosoma brucei activities of phenazinomycin and related compounds
• Promising lead compounds for novel antiprotozoals
• Jogyamycin, a new antiprotozoal aminocyclopentitol antibiotic, produced by Streptomyces sp. a-WM-JG-16.2
• Sinefungin VA and dehydrosinefungin V, new antitrypanosomal antibiotics produced by Streptomyces sp. K05-0178
• In vitro antitrypanosomal activity of 12 low-molecular-weight antibiotics and observations of structure/activity relationships
• In vitro and in vivo antiprotozoal activities of bispolides and their derivatives
• Neutron-capture cross-sections of ^Cm and ^Cm measured with an array of large germanium detectors in the ANNRI at J-PARC/MLF
• アンホテリシンBチャネルの透過特性
• Pyrenocine I, a new pyrenocine analog produced by Paecilomyces sp. FKI-3573
• Antitrypanosomal peptaibiotics, trichosporins B-VIIa and B-VIIb, produced by Trichoderma polysporum FKI-4452
• Generation of superoxide anions by a glycation reaction in conventional laboratory media(MICROBIAL PHYSIOLOGY AND BIOTECHNOLOGY)
• 酸素還元用ガス拡散バイオカソードの高機能化
• Effects of acetyl-L-carnitine on the brain lipofuscin content and emotional behavior in aged rats.
• Electronic Absorption Spectra of U(IV) in Molten LiCl-SrCl2 and CsCl-SrCl2
• Generation of superoxide anions by a glycation reaction in conventional laboratory media
• Ion Transport across a Bilayer Lipid Membrane in the Presence of a Hydrophobic Ion
• Bioelectrochemical Determination at Histamine Dehydrogenase-based Electrodes
• A Novel Synthesis of L-Pipecolic Acid
• Diffusion-controlled Detection of Glucose with Microelectrodes in Mediated Bioelectrocatalytic Oxidation
• Adsorption Behavior of Lanthanide lons on Nonbiological Phospholipid Membranse: A Model Study Using Liposome

もっと見る 閉じる

スポンサーリンク